Improving bicyclist safety is a key goal for advanced driver-assistance systems. As Automatic Emergency Braking (AEB) systems become more prevalent, the automotive industry requires a standardized surrogate bicyclist target to ensure consistent testing and evaluation. SAE International’s J3157-2019 provides exactly…

SAE J314 is a long-standing standard from SAE International that defines requirements for wool and part wool felts used in surface vehicle applications. Originally issued in 1923, the standard has been reaffirmed multiple times and was stabilized in September 2022,…

Driver distraction remains a critical factor in road crashes, yet linking experimental measures of distraction to actual crash risk is not straightforward. SAE J3151-2018, titled Relating Experimental Driver Distraction and Driving Performance Metrics to Crash Involvement – Definitions of Terms…

The SAE J3152 Information Report provides a systematic framework for designing, fabricating, and installing brake NVH fixtures used in inertia dynamometer testing. By defining a clear taxonomy and including detailed guidelines, the standard aims to improve repeatability, reduce variability, and…

The rapid evolution of automated driving systems (ADS) has created a pressing need for clear, consistent language and a shared understanding of how these complex systems are structured. SAE International’s SAE J3131-2022, ‘Definitions for Terms Related to Automated Driving Systems…

SAE J3143:2019 establishes critical performance and testing requirements for non-metallic, non-reinforced assemblies used in automotive air-conditioning systems to contain and circulate refrigerant and lubricant. This standard is applicable to systems using R-134a, R-152a, or R-1234yf and PAG/POE compressor oils, over…

The SAE J3128–2019 standard establishes requirements for welded and cold drawn stainless steel pressure tubing, specifically grades 304 and 304L. This tubing is intended for hydraulic lines and other applications where corrosion resistance is critical. The standard covers manufacture, dimensions…

SAE J3129-2019 specifies the requirements for seamless 304/304L stainless steel tubing used in hydraulic lines and other corrosion‑resistant applications. This standard covers manufacture by cold drawing, bright annealing, and passivation, with strict dimensional tolerances, mechanical properties, and mandatory nondestructive testing.…

SAE J3130-2023 establishes a recommended practice for laboratory measurement of the composite loss factor and bending stiffness of damping materials bonded to a bar that is excited at its center. This center point impedance method provides a robust alternative to…

In the field of reliability, maintainability, and sustainability (RMS), precise terminology is critical. Terms like “mean time between failures” or “availability” can carry different meanings across organizations, leading to misinterpretation and inconsistent performance comparisons. SAE J3119, Reliability, Maintainability, and Sustainability…

Automotive radar sensors are central to modern active safety systems. To validate these systems, surrogate targets must accurately mimic the radar characteristics of real objects. SAE J3122 delivers a standardized, three-phase approach to ensure surrogate targets remain representative throughout testing.…

SAE J3127-2019 defines the performance, dimensional, and manufacturing requirements for welded 304/304L stainless steel tubing intended for hydraulic lines and other corrosion-resistant applications. This standard ensures tubing meets stringent quality and reliability criteria for use in demanding fluid power systems.…

SAE J3117/1 (issued January 2023) defines the requirements for un-shielded balanced single twisted pair data cable used in surface vehicles for ≤100 Mb/s Ethernet applications, specifically targeting 100BASE-T1 PHY. This standard replaces the previous J3117 and provides a comprehensive framework…

SAE J3117/2-2022 defines the requirements for unshielded (JUTP) and shielded (STP) balanced single twisted pair cables designed for 1000BASE-T1 Ethernet PHY applications in surface vehicles. This standard ensures reliable data transmission in harsh automotive environments by specifying construction, mechanical, and…

Efficient HVAC blower control is an important piece of the automotive emission reduction puzzle. As regulatory bodies offer credits for technologies that cut greenhouse gases, manufacturers need a reliable, repeatable method to quantify efficiency gains. SAE J3109 (revised June 2023)…

🛠️ Engineering Design Insight: SAE J3116-2023 was developed based on US population data and requires the mannequin to be representative from 360° views, a significant advancement over earlier standards that focused only on side or front views. The Need for…

The SAE J3117-2023 standard defined the requirements for un-shielded balanced single twisted pair data cables used in surface vehicle 100 Mbps Ethernet applications (100BASE-T1). Published by SAE International, this document outlined the construction, electrical performance, and qualification tests for such…